Visa Vesterinen (Inventor), Juha Hassel (Inventor)

    Research output: PatentPatent


    According to an example aspect of the present invention, there is provided a travelling wave parametric amplifier comprising a waveguide transmission line comprising therein at least ten Josephson elements (110), wherein each of the at least ten Josephson element (110) comprises a loop, with exactly one Josephson junction of first size on one half of the loop and at least two Josephson junctions of a second size on a second half of the loop, the second size being larger than the first size, a flux bias line (130) configured to generate a magnetic flux threading each of the at least one loop, and a set of resistors (140) coupled with the flux bias line (130).

    Patent family as of2.5.2022
    CA3125824 AA20210706CA2020312582420200108 
    CN113424441 A20210921CN20208001042020200108 
    EP3903415 A120211103EP2020070108820200108 
    FI129520 B20220331FI2019000504520190124 
    FI20195045 A20200725FI2019000504520190124 
    JP2022513533 T220220208JP20210542344T20200108 
    KR20210113669 A20210916KR2021702573820200108 
    US2022094320 AA20220324US2021042498320200108 
    WO20152393 A120200730WO2020FI5001220200108

    Link to current patent family on right 

    Original languageEnglish
    Patent numberFI20195045
    IPCH01L 39/ 02 A N
    Priority date24/01/19
    Publication statusPublished - 25 Jul 2020
    MoE publication typeH1 Granted patent


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